Super SC809LT-780B, Руководство пользователя

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C-4
SC809 Chassis Manual
C-6 Front Connector and Pin Definitions
Backplane
Main Power
4-Pin Connector
Pin# Definition
1 +12V
2 and 3 Ground
4 +5V
1. Backplane Main Power Connectors
The 4-pin connectors designated JP10 pro-
vides power to the backplane. See the table
on the right for pin definitions.
2. - 5. SAS Ports
The SAS ports are used to connect the SAS
drive cables. The four ports are designated #0
- #3. Each port is also compatible with SATA
drives.
7. I
2
C Connectors
The I
2
C Connector, designated JP44, is used
to monitor HDD activity and status. See the
table on the right for pin definitions.
I
2
C Connector
Pin Definitions
Pin# Definition
1 Data
2 Ground
3 Clock
4 No Connection
6. Sideband Header
The sideband header is designated JP51. For
SAS-2 to work properly, you must connect an
8-pin sideband cable. See the table to the right
for pin definitions.
Sideband Headers
Pin # Definition Pin # Definition
2 SDIN/
Backplane
Addressing
(SB5)
1 Controller
ID (SB6)
4 SDOUT/I
2
C
Reset
(SB4)
3 GND (SB2)
6 GND (SB3) 5 SDA (SB1)
8 Backplane
ID (SB7)
7 SCL (SB0)
10 No Connec-
tion
9 No Connec-
tion